1025044730 has 32 divisors (see below), whose sum is σ = 1911686400. Its totient is φ = 395260992.

The previous prime is 1025044721. The next prime is 1025044747. The reversal of 1025044730 is 374405201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025044730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211919 + ... + 216701.

It is an arithmetic number, because the mean of its divisors is an integer number (59740200).

Almost surely, 2^1025044730 is an apocalyptic number.

1025044730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025044730 is a deficient number, since it is larger than the sum of its proper divisors (886641670).

1025044730 is a wasteful number, since it uses less digits than its factorization.

1025044730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1025044730 is about 32016.3197447802. The cubic root of 1025044730 is about 1008.2795039603.

Adding to 1025044730 its reverse (374405201), we get a palindrome (1399449931).

The spelling of 1025044730 in words is "one billion, twenty-five million, forty-four thousand, seven hundred thirty".